Increasing effectiveness of rooftop farming an alternative to traditional farming for urban sustainability

Rooftop farming, also known as rooftop gardening or green roofs, is such a sustainable practice that entails growing plants on building rooftops, terraces and balconies. The use of Rooftop farming alternative agricultural production systems has gained momentum in recent years in order to deal with the combined issues of limited agricultural land, population explosion, climate change, rapid urbanization etc. to ensure agricultural sustainability.It reduces food insecurity, enriches urban biodiversity and enhances various ecological services. However, this farming technique also faces challenges, such as structural limitations, higher costs, lack of support and other maintenance practices etc. which demand further research strategies and government initiatives. Presently, cities and towns are home to just over 50% of the worldwide population. According to a UN study, by mid-century this number is expected to reach 69%, wherein the population of the highly developed regions will comprise of 86% of urban inhabitants, while that of less advanced areas will be 66%.